<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>学生成绩等级</title>
    <script src="../js/t3.js"></script>
</head>
<body>
<div>
    <label for="inputValue">请输入学生成绩：</label>
    <input type="text" id="inputValue" name="inputValue">
    <button onclick="displayGrade()">提交</button>
    <p id="gradeResult">请点击提交按钮查看成绩等级。</p>
</div>
</body>
</html>